dotNetFx35setup.exe (Microsoft .NET Framework 3.5 Setup) is an executable from the software Microsoft .NET Framework 3.5 version 3.5.8 by Microsoft Corporation. dotNetFx35setup.exe version 3.5.8 has a file size of 2,869,264 bytes, and is most commonly found under the directory "" with a creation date of December 31, 1969. This is not a known spyware, adware, or trojan executable.